Double-seaming machine.



I P. RUDOLPHI.

DOUBLE SEAM ING MACHINE. APPLICATION FILED FEB. 23,1909.

975,574. Patented Nov. 15, 1910.

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1m: NORRIS PETERS c0., WASHINGTON, I:v c.

P. RUDOLPHI. DOUBLE SEAMING MACHINE. APPLICATION FILED FEB.23,1909.

. Patented Nov. 15,1910.

5 SHEETSBHEET 2.

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F. RUDOLPHI. DOUBLE JSEAMING MACHINE. APPLICATION FILED FEB.23,1909.

Patented N0v.15,1910.

2! 6 SHEETS-SHEET 3.

ELEM vim llllllll F. RUDOLPHI.

DOUBLE SBAMING MACHINE.

APPLICATION FILED IEB.Z3, 1909 975,574, Patented Nov. 15, 1910.

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V T v H I iiiwwqgs rm: NORRIS PETERS 00., WASHINGTON. n. c.

F. RUDOLPHI. DOUBLE SEAMING MACHINE. APPLICATION TILED FEB. 23, 909.

975,574. Patented Nov. 15, 191-0.

5 SHEETS-SHEET 5.

' FQ/Z EI IWII FRANK nUnoLrIII, or CHICAGO, ILLINOIS.

DOUBLE-SEAMING MACHINE.

Specification of Letters Patent.

Patented Nov. 15, 1910.

Application filed February 23, 1909. Serial No. 479,308.

T 0 all whom it may concern:

Be it known that I, FRANK RUDOLPHI, a citizen of the United States,residing in Chicago, in the county of Cook and State of Illinois, haveinvented a new and useful l Improvement 1n Double-seaming Machines,

ing cheaply manufactured, in which the seaming rollers may bepositively, directly and exactly actuated as required for the productionof hermetically tight seams with certainty and reliability, and in whichthe machine may be easily and quickly set or adjusted for operation uponcans of different diameters.

In this invention, the vibrating levers for actuating the seamingrollers are so arranged and combined with their actuating cams, theirfulcrums and the slides or holders upon which the seaming rollers aredirectly mounted, that these actuating levers always remainsubstantially upright and parallel to each other at the time of theseaming operation, the pivotal connection between the lower arm of eachoperating lever and the slide or holder upon which the seaming roller ismounted being also directly in line horizontally wit-h the seam to beformed, or with the operating groove or face of the seaming roller, sothat the seaming is done by a positive, direct and straight linepressure, the levers thus producing no clownward or upward pressure uponthe holder or slide which carries the seaming roller, and thus avoidingall irregularities and inequalities of operation which is due to thefriction or binding action of the seaming roller slide or holder in itsguide or ways in cases Where the actuating levers are so arranged andcombined with the other parts as to exert more or less downward orbinding pressure upon the'seaming roller slides. In this invention also,each seaming roller slide or holder is furnished with an adjustablemember and adjusting screws furnished with gears intermeshing with acommon gear or ring, so that all the seaming rollers may besimultaneously and similarly set or adjusted in or out as required foroperation upon cans of dilferent diameters by simply turning one of theadjusting screws. The adjusting screw between each of the seaming rollerslides or holders and the adjustable member thereof are preferably rightand left threaded, thus materially increasing the range of adjustment.

The invention further consists in the novel construction of parts anddevices and in the novel'combination of parts and de vices hereinshownand described.

In the accompanying'drawing forming a' part of this specification,Figure 1 is aside elevation partly in section. Fig. '2 is a frontelevation'partly in section. Fig. 3 is a detail vertical section on line33 of Fig. 1. Figs. 4, 5 and 6 are detail horizontal sections on'lines44, 5-5 and 6-6 of Fig. 1 respectively. Fig. 7 'is a detail section online 7--7 of Fig. 6. Fig. 8 is a detail vertical section on line 88 ofFig. 6. Fig. 9 is a vertical section on line 9'9 of Fig. 8. Fig. 10 isadetail plan view of one of the movable members, partly in section. Fig.11 is a detail vertical section on line 11-11 of Fig. 8. Fig. 12 is apartial horizontal section on line 1212 of Fig. 13. Fig. 13 is avertical section 011 line 13-13 of Fig. 3. Fig. 14: is a detail view ofthe knock-out cam. Fig. 15 is a detail elevation of the clutch pin andFig. 16 is a cross section on line 1616 of Fig. 3.

In the drawing, A represents the frame of the machine, 13 the lowerreciprocating chuck or can holder having a stem or shank b fitting in asuitable socket in the vertically movable rod B which reciprocates upand down in a suitable guide A on the frame of the machine. The canholder stem B is operated or moved up and down as required to chuck orclamp the can against the opposing non-rotating chuck or can holder diskD by means of a foot lever or treadle E, pivoted to the frame at E andfurnished with a spring E for returning it to position. This treadle isconnected by a link E with levers E and n that are connected by a link Ewith a lever E having a forked arm E engaging an adjustable connectingblock E on the screw threaded lower end of the can holder stem B.

F is a continuously rotating seaming head upon which the two pair ofseaming rollers C and C and their movable slides or holders G and theiroperating levers H are mounted. The rotary seaming head F is secured toa hollow rotating shaft or sleeve F surrounding the stem D of the uppernon-rotating chuck D and is continuously and rapidly rotated by means ofa bevel gear f thereon which meshes with a bevel gear f on the drivingshaft K, said shaft K being furnished with fast and loose pulleys K Kand being journaled in suitable bearings A on the frame of the machine.

The upper chuck or holder D is provided with a removable ring D to fitthe can head and thus adapt the machine conveniently for operation uponcans of different sizes by simply removing the ring D and replacing itwith one of a different external diameter.

The stem D of the upper chuck D is preferably a hollow sleeve to receivethe stem (Z of a can ejector disk (Z which is moved up and down asrequired to discharge the seamed can from the upper chuck D by means ofa lever (Z link (Z slide (1* and cam (Z on the shaft M The non rotatingstem D of the upper chuck D extends up through the hollow seaming headshaft F and is held in position by guides or arms A 'A on the frame ofthe machine.

The seaming rollers C C are each mounted upon a horizontallyreciprocatingslide or holder G, which is furnished with an adjustingmember G and an adjusting screw G connecting said members, the adjustingscrew being furnished with right and left screw threads 9 Each of theadjusting screws or shafts G is further provided with a bevel gear 9which meshes with an annular gear 9 so that when one of these adjustingscrews is turned, the adjusting screws of all the other seaming rollerslides will be similarly turned,thus simultaneously and equallyadjusting or setting all the seaming rollers for operation upon cans ofdifferent diameters. Each adjusting screw G has a sliding connectionwith its gear 9 through the interposed sleeve or bushing g to which thegear is directly fixed and in which bushing the reduced end of the screwshaft G slides as the tool holder G and its adjusting member G rigidlycon nected thereto by the screw G are radially reciprocated by theoperating lever H.

The seaming roller slides move in suitable radial guides or ways f onthe seaming head. The seaming rollers C C are each mounted directly uponthe adjustable member G of the seaming roller slide or holder G so thatthe seaming rollers may be moved relatively in or out for operation uponcans of different diameters without disturbing the relative straightline arrangement of the 'pivot pin 72, which connects the operatinglever H with the seaming roller slide, so that this pivotal connectionbetween the seaming roller operatlng lever and the seaming roller slideor holder may always be directly under the fulcrum h of the lever H, andso that the pressure or force applied to the slide G from the operatinglever H will always be in a straight horizontal direction, and in linewith the seam 00 being formed on the can X, or with the operating faceor groove 0 of the seaming roller 0 or C at the time the seam is beingformed or compressed. This straight line connection insures absoluteuniformity of pressure being exerted by each seamingroller upon theseam, and prevents the operating levers from exerting any binding actionupon the seaming roller slides or holders, and a portion of the seamingforce or pressure being thus absorbed with consequent irregularity andimperfection of the seam produced.

The seaming roller levers H carry at their upper ends a roller ]L2 forengagement with the cam face t of the actuating cam or slide T whichsurrounds and rotates with the hollow shaft F of the seaming head F, but

of the seaming head. The reciprocating cam T has two opposite cam facest t for actuating the forming rollers C, and a pair of differentlylocated inclines or cam faces 2& for actuating the finishing rollers Cone pair of these cam faces being higher up than the other to cause theforming and finishing rollers to be successively operated as required.

' The cam faces t t of the sliding cam T which contact with the rollersh on the operating lever H are preferably substantially above and inline with the levers H, so that these levers will remain substantiallyupright and parallel to each other at the time they are pressing theseaming rollers against the seam.

The seaming roller actuating cam T is reciprocated up and down asrequired to operate the seaming rollers by means of a rocking lever onpivot or shaft T said lever having a forked arm T engaging a collar T onthe sleeve of the cam T, and which rocking lever has an arm T carryinga. roller T G which engages a cam M on the cam shaft M The cam shaft Mis intermittently ro'- tated as required to cause the seaming rollers tobe properly actuated during the cycle or period necessary for performingthe seaming operation on each can by means of a worm gear m loose on thecam shaft, and continuously driven by a worm m} on the driving shaft Kand which worm gear mis furnished with a clutch member m and is adaptedto be at intervals clutched to the cam shaft M by means of a clutch pinor member m of the clutch sleeve m which is furnished with an annulargroove to receive a wedge or clutch disengaging device m that operatesto retract the clutch is adapted to be reciprocated independently pin ormember m of the clutch member m at each revolution of the grooved clutchsleeve m which is fast on the cam shaft M The sliding clutch pin ormember m has a notch m to engage the clutch disengaging device m. Theclutch pin or member m has a. stem m engaged by a spring m to hold it inengagement with the clutch member m The cam shaft H is also providedwith a stop cam N having a notch 42 engaging a roller n on the arm whichrocks on the pivot N of the clutch operating lever E* which is connectedwith the treadle E.

The seaming roller slide G is furnished with pins 9* which engage thehub f of the seaming head, and which pinsbear against springs and thusserve to retract the seaming roller slide after each operation.

The tool used for operating the annular gear which operates gears g onthe shaft G is shown in Fig. 7 as being an arm 9 bent at right angles,carrying a gear g on the short arm g which is inserted in blocks mountedon the rotating seaming head F.

I claim 1. In a double seaming machine, the combination with a rotatingseaming head, of a plurality of seaming rollers, a plurality of seamingroller holders each having an adjustable member, a plurality ofadjusting screws connecting said holders and their adjusting members andmeans for simultaneously turning said adjusting screws to effectsimultaneous and similar adjustment of all the seaming rollers,substantially as specified.

2. The combination with a rotary seaming head, of means for actuatingthe seaming rollers to form the seam, and unitary means to adjustequally and simultaneously all the seaming rollers for operation uponcans of different diameters without disturbing the relative individualadjustment of the rollers in respect to each other, substantially asspecified.

3. A rotary seaming head having a plurality of seaming rollers, aplurality of seaming roller slides each furnished with an adjustablemember and with an adjusting screw, and means for simultaneously andequally turning said screws, substantially as specified.

A. A rotary seaming head having a plurality of seaming rollers, aplurality of seaming roller slides each furnished with an adjustablemember and with an adjusting screw, and means for simultaneously andequally turning said screws, said adj usting screws having right andleft threads, substantially as specified.

5. A rotary seaming head having a plurality of seaming rollers, aplurality of seaming roller slides, each furnished with an adjustablemember and with an adjusting screw provided with a gear, and a commongear meshing with the gears of all of said screws to cause them to turnin unison, substantially as specified.

' 6. In a double seaming machine, the combination with a pair of canholding chucks, of a rotary seaming head having a plurality of seamingrollers, a plurality of horizontally moving holders therefor, eachfurnished with an adjustable member and a plurality of operating leverspivotally engaging said holders horizontally in line wlth the operatingface of the seaming roller, and each of said levers having its fulcrumdirectly above its pivotal connection with said holder when the seamingroller is forced against the seam, substantially as specified.

7. In a double seaming machine, the combination with a pair of canholder chucks, of a rotary seaming head furnished with seaming rollers,and horizontally moving radial slides carrying said rollers, andoperating levers pivotally connected to said slides horizontally in linewith the seam, substantially as specified.

8. In a double seaming machine, the combination with a pair of canholder chucks, of a rotary seaming head furnished with seaming rollers,and horizontally moving radial slides carrying said rollers, andoperating levers pivotally connected to said slides horizontally in linewith the seam, said seaming rollers being fulcrumed directly above theirpivotal connection with said holders to cause the levers to exert astraight line seaming pressure against the seaming roller slides,substantially as specified.

9. In a double seaming machine, the combination with a pair of canholder chucks, of a rotary seaming head furnished with seaming rollersand horizontally moving radial slides carrying said rollers, andoperating levers pivotally connected to said slides horizontally in linewith the seam, said operating levers being fulorumed directly abovetheir pivotal connection with said holders to cause the levers to exerta straight line seaming pressure against the seaming roller slides, saidseaming roller slides having adjustable members upon which the seamingrollers are directly mounted to enable the rollers to be set or adjustedin and out for cans of different sizes without affecting the straightline action of the levers for operating said slides, substantially asspecified.

10. A rotary seaming head having a plurality of seaming rollers andhorizontally moving seaming roller holders, each furnished with an adustable member, and operating levers having their pivotal connectionwith said holders directly below their fulcrums, substantially asspecified.

11. A rotary seaming head having a horizontally moving seaming rollerholder, an operating lever for said holder having its fulcrum directlyabove its pivotal connection roller is directly mounted to enableadjustvvith the holder, substantially as specified. ments in and out tobe made Without dis- 10 12. A rotary seaming head having a hori turbingthe relative arrangement of said zontally moving seaming roller holder,an operating lever, substantially as specified.

operating lever for said holder having its FRANK RUDOLPHI. fulcrumdirectly above its pivotal connection l/Vitnesses: with the holder, saidholder having an ad- PEARL ABRAMs,

justable member upon Which the seaming H. M. MUNDAY.

